{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["sports team location of teams", "nationality", "country of capital", "geographic distribution"], "input": "B. B. King Bids Farewell at Montreux The blues guitarist and songwriter B. B. King , 80 , ailing and on a final tour of Europe , bade an emotional farewell to fans at a concert that stretched into the early hours yesterday at the Montreux Jazz Festival in Switzerland , where he has performed for more than 20 years , Reuters reported ."}
{"sports team location of teams": [], "nationality": [], "country of capital": [], "geographic distribution": []}